<template>
  <div>
    <section>
      <header class="top_tips">
        <span class="num_tip" v-if="fatherComponent == 'home'">{{
          level
        }}</span>
        <span class="num_tip" v-else="fatherComponent == 'item'"
          >题目{{ itemNum }}</span
        >
      </header>
      <div v-if="fatherComponent == 'home'">
        <div class="home_logo item_container_style"></div>
        <router-link to="item" class="start button_style"></router-link>
      </div>
      <div v-if="fatherComponent == 'item'">
        <div class="item_back item_container_style">
          <div class="item_list_container" v-if="itemDetail.length > 0">
            <header class="item_title">
              {{ itemDetail[itemNum - 1].topic_name }}
            </header>
            <ul>
              <li
                v-for="(item, index) in itemDetail[itemNum - 1].topic_answer"
                @click="choosed(index, item.topic_answer_id)"
                class="item_list"
              >
                <span
                  class="option_style"
                  :class="{ has_choosed: choosedNum == index }"
                >{{chooseType(index)}}</span>
                <span class="option_detail">{{item.answer_name}}</span>
              </li>
            </ul>
          </div>
        </div>
        <span class="next_item button_style" @click="nextItem" v-if="itemNum < itemDetail.length"></span>
    		<span class="submit_item button_style" v-else @click="submitAnswer"></span>
      </div>
    </section>
  </div>
</template>

<script>
import { mapState,mapActions } from "vuex";
export default {
  props: ["fatherComponent"],
  data() {
    return {
      itemId: null, //题目ID
      choosedNum: null, //选中答案索引
      choosedId: null, //选中答案id
    };
  },
  computed: {
    ...mapState(["itemNum", "level", "itemDetail", "timer"]),
  },
  methods: {
    ...mapActions(['addNum','initializeData']),
    choosed(type, id) {
      this.choosedNum = type;
      this.choosedId = id;
    },
    chooseType: (type) => {
      switch (type) {
        case 0:
          return "A";
        case 1:
          return "B";
        case 2:
          return "C";
        case 3:
          return "D";
      }
    },
    nextItem() {
      if (this.choosedNum !== null) {

      }else {
        alert('您还没有选择答案哦')
      }
    }
  },
};
</script>



<style lang="less">
.top_tips {
  position: absolute;
  height: 7.35rem;
  width: 3.25rem;
  top: -1.3rem;
  right: 1.6rem;
  background: url(../images/WechatIMG2.png) no-repeat;
  background-size: 100% 100%;
  z-index: 10;
  .num_tip {
    position: absolute;
    left: 0.48rem;
    bottom: 1.1rem;
    height: 0.7rem;
    width: 2.5rem;
    font-size: 0.6rem;
    font-family: "黑体";
    font-weight: 600;
    color: #a57c50;
    text-align: center;
  }
}
.item_container_style {
  height: 11.625rem;
  width: 13.15rem;
  background-repeat: no-repeat;
  position: absolute;
  top: 4.1rem;
  left: 1rem;
}
.home_logo {
  background-image: url(../images/1-2.png);
  background-size: 13.142rem 100%;
  background-position: right center;
}
.item_back {
  background-image: url(../images/2-1.png);
  background-size: 100% 100%;
}
.button_style {
  display: block;
  height: 2.1rem;
  width: 4.35rem;
  background-size: 100% 100%;
  position: absolute;
  top: 16.5rem;
  left: 50%;
  margin-left: -2.4rem;
  background-repeat: no-repeat;
}
.start {
  background-image: url(../images/1-4.png);
}
.next_item {
  background-image: url(../images/2-2.png);
}
.submit_item {
  background-image: url(../images/3-1.png);
}
.item_list_container {
  position: absolute;
  height: 7rem;
  width: 8rem;
  top: 2.4rem;
  left: 3rem;
  -webkit-font-smoothing: antialiased;
}
.item_title {
  font-size: 0.65rem;
  color: #fff;
  line-height: 0.7rem;
}
.item_list {
  font-size: 0;
  margin-top: 0.4rem;
  width: 10rem;
  span {
    display: inline-block;
    font-size: 0.6rem;
    color: #fff;
    vertical-align: middle;
  }
  .option_style {
    height: 0.725rem;
    width: 0.725rem;
    border: 1px solid #fff;
    border-radius: 50%;
    line-height: 0.725rem;
    text-align: center;
    margin-right: 0.3rem;
    font-size: 0.5rem;
    font-family: "Arial";
  }
  .has_choosed {
    background-color: #ffd400;
    color: #575757;
    border-color: #ffd400;
  }
  .option_detail {
    width: 7.5rem;
    padding-top: 0.11rem;
  }
}
</style>
